<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style type="text/css">
        #box {
            position: absolute;
            top: 50%;
            left: 50%;
            color: #fff;
            width: 200px;
            height: 200px;
            background: #CCC;
            cursor: pointer;
            letter-spacing: 5px;
            text-align: center;
            font: 12px;
            margin: -100px 0 0 -100px;
        }
    </style>
</head>

<body>
    </head>

    <body>
        <div id="box">安馨萍</div>
    </body>
    <script>
        var fds = document.getElementById("box");
        var timer = null;

        fds.onclick = function() {
            var i = 0;
            clearInterval(timer);
            timer = setInterval(function() {
                fds.style.display = i++ % 2 ? "none" : "block";
                i > 6 && (clearInterval(timer))
            }, 80)
        }
    </script>

</html>